Could Data 1 Epistemic Modality .1 Can
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Data 2
“Those who feel that they still deserve to use the subsidized plan may apply  for  it  from  the  Home  Ministry  through  their  local
administratio n…..,” he said. D2, T10.39
The data above is represent modal verb may that have function as  controlling  a  possible  action.  Modal  verb  may  above  is  kind  of
epistemic  modality.  The  speaker  wanted  to  give  a  permission  that those  who  feel  that  they  still  deserve  to  use  the  subsidized  plan  may
apply for it. The next data that represent function of modal verb may as epistemic modality is explained below.
Data 3
Wianda  said  rising  personal  income  may  also  have  contributed  to increased Pertalite sales. D7, T9.02
The  data  as  statement  by  Pertamina  spokesperson  Wianda Pusponegoro above have function as controlling a possible action. It is
about giving a prediction. Possibility that Wianda was created because of  the  evidence  that  she  had.  Wianda  said  rising  personal  income
possibly  have  contributed  to  increased  Pertalite  sales.  The  writer explained function of the fourth data below.
Data 4
The involvement of skilled engineers is the key to the development of the  onshore  project,  as  experts  have  raised  concerns  about  technical
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issues  that  may arise  in  the  country’s  most  important  deepwater  gas
project,  including  those  stemming  from  the  presence  of  an  ocean trench between gas reserves. D7, T9.10
In the data that there is modal verb may above have function as
controlling a possible action. The speaker wanted to give a possibility by  the  fact.  Beginning  of  the  fact  that  the  involvement  of  skilled
engineers  is  the  key  to  the  development  of  the  onshore  project,  as experts  have  raised  concerns  about  technical  issues  that  have
possibility  to  arise  in  the  country’s  most  important  deepwater  gas project. The next function of the other modal verb explained below.
                